------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at net/ipv6/ip6_fib.c:1477 fib6_del+0x947/0xca0 net/ipv6/ip6_fib.c:1477
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.13.0-rc7+ #59
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:16 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:52
 panic+0x1e4/0x417 kernel/panic.c:180
 __warn+0x1c4/0x1d9 kernel/panic.c:541
 report_bug+0x211/0x2d0 lib/bug.c:183
 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:190
 do_trap_no_signal arch/x86/kernel/traps.c:224 [inline]
 do_trap+0x260/0x390 arch/x86/kernel/traps.c:273
 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:310
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:323
 invalid_op+0x1e/0x30 arch/x86/entry/entry_64.S:846
RIP: 0010:fib6_del+0x947/0xca0 net/ipv6/ip6_fib.c:1477
RSP: 0018:ffff8801db2074d8 EFLAGS: 00010206
RAX: ffffffff85a2c340 RBX: ffff8801cbd1d1c0 RCX: 0000000000000000
RDX: 0000000000000100 RSI: ffff8801db207650 RDI: ffff8801cbd1d224
RBP: ffff8801db2075f0 R08: ffffffff86df1ec8 R09: ffff8801db206f38
R10: ffff8801db2074b8 R11: 1ffffffff0b45ac3 R12: dffffc0000000000
R13: ffff8801db207650 R14: ffff88019f7a6100 R15: 1ffff1003b640ea5
 __ip6_del_rt+0xc7/0x120 net/ipv6/route.c:2136
 ip6_del_rt+0x132/0x1a0 net/ipv6/route.c:2149
 ip6_link_failure+0x244/0x380 net/ipv6/route.c:1359
 dst_link_failure include/net/dst.h:454 [inline]
 ndisc_error_report+0xae/0x180 net/ipv6/ndisc.c:682
 neigh_invalidate+0x225/0x530 net/core/neighbour.c:883
 neigh_timer_handler+0x883/0xca0 net/core/neighbour.c:969
 call_timer_fn+0x233/0x830 kernel/time/timer.c:1281
 expire_timers kernel/time/timer.c:1320 [inline]
 __run_timers+0x7fd/0xb90 kernel/time/timer.c:1620
 run_timer_softirq+0x4c/0xb0 kernel/time/timer.c:1646
 __do_softirq+0x2f5/0xba3 kernel/softirq.c:284
 invoke_softirq kernel/softirq.c:364 [inline]
 irq_exit+0x1cc/0x200 kernel/softirq.c:405
 exiting_irq arch/x86/include/asm/apic.h:638 [inline]
 smp_apic_timer_interrupt+0x76/0xa0 arch/x86/kernel/apic/apic.c:1044
 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:702
RIP: 0010:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:53
RSP: 0018:ffffffff85a07ce0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: dffffc0000000000 RBX: 1ffffffff0b40f9f RCX: 0000000000000000
RDX: 1ffffffff0b59374 RSI: 0000000000000001 RDI: ffffffff85ac9ba0
RBP: ffffffff85a07ce0 R08: ffffffff8580aa80 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85ac9b90
R13: ffffffff85a07d98 R14: 0000000000000000 R15: ffffffff85a2c340
 </IRQ>
 arch_safe_halt arch/x86/include/asm/paravirt.h:98 [inline]
 default_idle+0xbf/0x460 arch/x86/kernel/process.c:341
 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:332
 default_idle_call+0x36/0x90 kernel/sched/idle.c:98
 cpuidle_idle_call kernel/sched/idle.c:156 [inline]
 do_idle+0x256/0x3b0 kernel/sched/idle.c:246
 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:351
 rest_init+0xfb/0x100 init/main.c:436
 start_kernel+0x6f8/0x71e init/main.c:701
 x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:318
 x86_64_start_kernel+0x13c/0x149 arch/x86/kernel/head64.c:299
 secondary_startup_64+0x9f/0x9f arch/x86/kernel/head_64.S:219
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..